The Collaborative International Dictionary of English v.0.48:

Bluster \Blus"ter\, v. i. [imp. & p. p. Blustered; p. pr. &
   vb. n. Blustering.] [Allied to blast.]
   [1913 Webster]
   1. To blow fitfully with violence and noise, as wind; to be
      windy and boisterous, as the weather.
      [1913 Webster]

            And ever-threatening storms
            Of Chaos blustering round.            --Milton.
      [1913 Webster]

   2. To talk with noisy violence; to swagger, as a turbulent or
      boasting person; to act in a noisy, tumultuous way; to
      play the bully; to storm; to rage.
      [1913 Webster]

            Your ministerial directors blustered like tragic
            tyrants.                              --Burke.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Blustering \Blus"ter*ing\, a.
   1. Exhibiting noisy violence, as the wind; stormy;
      tumultuous.
      [1913 Webster]

            A tempest and a blustering day.       --Shak.
      [1913 Webster]

   2. Uttering noisy threats; noisy and swaggering; boisterous.
      "A blustering fellow." --L'Estrange.
      [1913 Webster]

WordNet (r) 3.0 (2006):

blustering
    adj 1: blowing in violent and abrupt bursts; "blustering (or
           blusterous) winds of Patagonia"; "a cold blustery day";
           "a gusty storm with strong sudden rushes of wind" [syn:
           blustering(a), blusterous, blustery]